Promethean AP9PENB interactive whiteboard accessory Digital marker
Promethean PRM-Activpen3 Stylus for Interactive Whiteboard AS-IS | eBay
Connecting and Using Promethean Board Pens - YouTube
Troubleshooting USB connection problems
It was my substitute teacher's first day on the job, and this is what we walk in class to. Dry erase markers on a promethean board isn't it yall : r/Wellthatsucks